I'll Pay Off My Debt to the Underworld

I am a wage earner who pays debts from the underworld in the world of the world, specializing in saving all kinds of lonely souls and ghosts... I originally lived a comfortable life like a normal person. An accident made me realize that the world is far from as simple as it seems. In this world full of supernatural beings, the secret truths are hidden under the sun and in the darkness. Are you willing to accompany me on this thrilling journey to find the truth? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.